Home / 4,342.08-5,992.16-2,479.20

Finding the Fourth Proportional to 4,342.08, 5,992.16 and 2,479.20

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Solution

The fourth proportional to 4,342.08, 5,992.16 and 2,479.20 is: 3,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.08 : 5,992.16 = 2,479.20 : x
  2. Step 2: Convert to fraction form
    4,342.08/5,992.16 = 2,479.20/x
  3. Step 3: Cross multiply
    4,342.08x = 5,992.16 × 2,479.20
  4. Step 4: Simplify right side
    4,342.08x = 14,855,763.07
  5. Step 5: Solve for x
    x = 14,855,763.07/4,342.08
  6. Step 6: Final answer
    x = 3,421.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.